*SUPPORT*
IN: dax lug tufa dax OUT: BLUE BLUE BLUE BLUE
IN: blicket zup lug tufa zup OUT: GREEN PINK PINK PINK PINK
IN: blicket blicket OUT: GREEN GREEN
IN: dax kiki wif OUT: BLUE RED
IN: wif zup lug OUT: RED PINK PINK
IN: blicket kiki dax OUT: GREEN BLUE
IN: blicket OUT: GREEN
IN: wif kiki blicket OUT: RED GREEN
IN: zup kiki zup OUT: PINK PINK
IN: zup wif kiki zup tufa dax tufa dax OUT: PINK RED PINK BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: dax dax wif OUT: BLUE BLUE RED
IN: blicket kiki blicket OUT: GREEN GREEN
IN: dax lug OUT: BLUE BLUE

*QUERY*
IN: dax OUT: BLUE
IN: zup wif kiki zup OUT: PINK RED PINK
IN: zup lug OUT: PINK PINK
IN: zup zup OUT: PINK PINK
IN: wif lug tufa wif OUT: RED RED RED RED
IN: dax tufa blicket tufa zup OUT: BLUE GREEN GREEN PINK PINK
IN: dax dax lug OUT: BLUE BLUE BLUE
IN: blicket lug tufa dax OUT: GREEN GREEN BLUE BLUE
IN: zup OUT: PINK
IN: wif lug tufa blicket OUT: RED RED GREEN GREEN

*GRAMMAR*
wif -> RED 
 zup -> PINK 
 blicket -> GREEN 
 dax -> BLUE 
 x1 tufa u1 -> [x1] [u1] [u1] 
 u1 lug -> [u1] [u1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 